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dusya [7]
3 years ago
12

Which two types of reactions are also always redox reactions? Explain your answer.

Chemistry
2 answers:
Annette [7]3 years ago
8 0

Answer : The two types of reactions always redox reaction are, Single-displacement reaction and Disproportionation reaction.

Explanation :

Redox reaction or Oxidation-reduction reaction : It is defined as the reaction in which the oxidation and reduction reaction takes place simultaneously.

Single-displacement reaction : It is a type of reaction in which the most reactive element displaces the least reactive element from its compound.

It is type of redox reaction where a species simultaneously oxidized and reduced and form different products.

For example : Mg+CuSO_4\rightarrow MgSO_4+Cu

In this reaction, oxidation takes place when Mg lose electrons and form  Mg^{2+} and reduction takes place when Cu^{2+} gain electrons and form Cu.

Disproportionation reaction : It is a type of chemical reaction in which a molecule is converted or transformed into two or more different products.

It is type of redox reaction where a species simultaneously oxidized and reduced and form different products.

For example : 2H_2PO_4^-\rightarrow HPO_4^{2-}+H_3PO_4

In this reaction, oxidation and reduction reaction takes palace simultaneously by the one species that is, H_2PO_4^-.

In this reaction, oxidation takes place when H_2PO_4^- lose electrons and form HPO_4^{2-} and reduction takes place when H_2PO_4^- gain electrons and form H_3PO_4.

Hence, the two types of reactions always redox reaction are, Single-displacement reaction and Disproportionation reaction.

mina [271]3 years ago
7 0
Single displacement and combustion reactions are ALWAYS redox.
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